Answer :
Final answer:
The expression equivalent to 216x²7 is 36x³.
Explanation:
The expression 216x²7 can be simplified to 216 ÷ 7x². By simplifying the expression, we have 36x³. Therefore, the expression equivalent to 216x²7 is 36x³.
Learn more about simplifying expressions here:
https://brainly.com/question/29003427